io9: 10 Rules of Blockbuster Movies that Hollywood Forgot

It's halfway through the summer movie season, and there's a lot of hand-wringing about the state of the Tentpole Film yes, in spite of Avengers. This year has seen some huge high-profile flops, plus some massive films that underperformed Stateside. And meanwhile, some of the biggest films in the pipeline are having well-publicized troubles, from Lone Ranger to World War Z.

The thing is, Hollywood already knows how to make blockbuster movies that make money they've just forgotten some of the fundamentals in the rush to claim dates in the crowded summer schedules. Here are 10 rules that Hollywood knew, but has forgotten.